Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
111.141.21.1 0:0:0:0:0:ffff:6f8d:1501
111.141.21.2 0:0:0:0:0:ffff:6f8d:1502
111.141.21.3 0:0:0:0:0:ffff:6f8d:1503
111.141.21.4 0:0:0:0:0:ffff:6f8d:1504
111.141.21.5 0:0:0:0:0:ffff:6f8d:1505
111.141.21.6 0:0:0:0:0:ffff:6f8d:1506
111.141.21.7 0:0:0:0:0:ffff:6f8d:1507
111.141.21.8 0:0:0:0:0:ffff:6f8d:1508
111.141.21.9 0:0:0:0:0:ffff:6f8d:1509
111.141.21.10 0:0:0:0:0:ffff:6f8d:150a
111.141.21.11 0:0:0:0:0:ffff:6f8d:150b
111.141.21.12 0:0:0:0:0:ffff:6f8d:150c
111.141.21.13 0:0:0:0:0:ffff:6f8d:150d
111.141.21.14 0:0:0:0:0:ffff:6f8d:150e
111.141.21.15 0:0:0:0:0:ffff:6f8d:150f
111.141.21.16 0:0:0:0:0:ffff:6f8d:1510
111.141.21.17 0:0:0:0:0:ffff:6f8d:1511
111.141.21.18 0:0:0:0:0:ffff:6f8d:1512
111.141.21.19 0:0:0:0:0:ffff:6f8d:1513
111.141.21.20 0:0:0:0:0:ffff:6f8d:1514
111.141.21.21 0:0:0:0:0:ffff:6f8d:1515
111.141.21.22 0:0:0:0:0:ffff:6f8d:1516
111.141.21.23 0:0:0:0:0:ffff:6f8d:1517
111.141.21.24 0:0:0:0:0:ffff:6f8d:1518
111.141.21.25 0:0:0:0:0:ffff:6f8d:1519
111.141.21.26 0:0:0:0:0:ffff:6f8d:151a
111.141.21.27 0:0:0:0:0:ffff:6f8d:151b
111.141.21.28 0:0:0:0:0:ffff:6f8d:151c
111.141.21.29 0:0:0:0:0:ffff:6f8d:151d
111.141.21.30 0:0:0:0:0:ffff:6f8d:151e
111.141.21.31 0:0:0:0:0:ffff:6f8d:151f
111.141.21.32 0:0:0:0:0:ffff:6f8d:1520
111.141.21.33 0:0:0:0:0:ffff:6f8d:1521
111.141.21.34 0:0:0:0:0:ffff:6f8d:1522
111.141.21.35 0:0:0:0:0:ffff:6f8d:1523
111.141.21.36 0:0:0:0:0:ffff:6f8d:1524
111.141.21.37 0:0:0:0:0:ffff:6f8d:1525
111.141.21.38 0:0:0:0:0:ffff:6f8d:1526
111.141.21.39 0:0:0:0:0:ffff:6f8d:1527
111.141.21.40 0:0:0:0:0:ffff:6f8d:1528
111.141.21.41 0:0:0:0:0:ffff:6f8d:1529
111.141.21.42 0:0:0:0:0:ffff:6f8d:152a
111.141.21.43 0:0:0:0:0:ffff:6f8d:152b
111.141.21.44 0:0:0:0:0:ffff:6f8d:152c
111.141.21.45 0:0:0:0:0:ffff:6f8d:152d
111.141.21.46 0:0:0:0:0:ffff:6f8d:152e
111.141.21.47 0:0:0:0:0:ffff:6f8d:152f
111.141.21.48 0:0:0:0:0:ffff:6f8d:1530
111.141.21.49 0:0:0:0:0:ffff:6f8d:1531
111.141.21.50 0:0:0:0:0:ffff:6f8d:1532
111.141.21.51 0:0:0:0:0:ffff:6f8d:1533
111.141.21.52 0:0:0:0:0:ffff:6f8d:1534
111.141.21.53 0:0:0:0:0:ffff:6f8d:1535
111.141.21.54 0:0:0:0:0:ffff:6f8d:1536
111.141.21.55 0:0:0:0:0:ffff:6f8d:1537
111.141.21.56 0:0:0:0:0:ffff:6f8d:1538
111.141.21.57 0:0:0:0:0:ffff:6f8d:1539
111.141.21.58 0:0:0:0:0:ffff:6f8d:153a
111.141.21.59 0:0:0:0:0:ffff:6f8d:153b
111.141.21.60 0:0:0:0:0:ffff:6f8d:153c


111.141.21.61 0:0:0:0:0:ffff:6f8d:153d
111.141.21.62 0:0:0:0:0:ffff:6f8d:153e
111.141.21.63 0:0:0:0:0:ffff:6f8d:153f
111.141.21.64 0:0:0:0:0:ffff:6f8d:1540
111.141.21.65 0:0:0:0:0:ffff:6f8d:1541
111.141.21.66 0:0:0:0:0:ffff:6f8d:1542
111.141.21.67 0:0:0:0:0:ffff:6f8d:1543
111.141.21.68 0:0:0:0:0:ffff:6f8d:1544
111.141.21.69 0:0:0:0:0:ffff:6f8d:1545
111.141.21.70 0:0:0:0:0:ffff:6f8d:1546
111.141.21.71 0:0:0:0:0:ffff:6f8d:1547
111.141.21.72 0:0:0:0:0:ffff:6f8d:1548
111.141.21.73 0:0:0:0:0:ffff:6f8d:1549
111.141.21.74 0:0:0:0:0:ffff:6f8d:154a
111.141.21.75 0:0:0:0:0:ffff:6f8d:154b
111.141.21.76 0:0:0:0:0:ffff:6f8d:154c
111.141.21.77 0:0:0:0:0:ffff:6f8d:154d
111.141.21.78 0:0:0:0:0:ffff:6f8d:154e
111.141.21.79 0:0:0:0:0:ffff:6f8d:154f
111.141.21.80 0:0:0:0:0:ffff:6f8d:1550
111.141.21.81 0:0:0:0:0:ffff:6f8d:1551
111.141.21.82 0:0:0:0:0:ffff:6f8d:1552
111.141.21.83 0:0:0:0:0:ffff:6f8d:1553
111.141.21.84 0:0:0:0:0:ffff:6f8d:1554
111.141.21.85 0:0:0:0:0:ffff:6f8d:1555
111.141.21.86 0:0:0:0:0:ffff:6f8d:1556
111.141.21.87 0:0:0:0:0:ffff:6f8d:1557
111.141.21.88 0:0:0:0:0:ffff:6f8d:1558
111.141.21.89 0:0:0:0:0:ffff:6f8d:1559
111.141.21.90 0:0:0:0:0:ffff:6f8d:155a
111.141.21.91 0:0:0:0:0:ffff:6f8d:155b
111.141.21.92 0:0:0:0:0:ffff:6f8d:155c
111.141.21.93 0:0:0:0:0:ffff:6f8d:155d
111.141.21.94 0:0:0:0:0:ffff:6f8d:155e
111.141.21.95 0:0:0:0:0:ffff:6f8d:155f
111.141.21.96 0:0:0:0:0:ffff:6f8d:1560
111.141.21.97 0:0:0:0:0:ffff:6f8d:1561
111.141.21.98 0:0:0:0:0:ffff:6f8d:1562
111.141.21.99 0:0:0:0:0:ffff:6f8d:1563
111.141.21.100 0:0:0:0:0:ffff:6f8d:1564
111.141.21.101 0:0:0:0:0:ffff:6f8d:1565
111.141.21.102 0:0:0:0:0:ffff:6f8d:1566
111.141.21.103 0:0:0:0:0:ffff:6f8d:1567
111.141.21.104 0:0:0:0:0:ffff:6f8d:1568
111.141.21.105 0:0:0:0:0:ffff:6f8d:1569
111.141.21.106 0:0:0:0:0:ffff:6f8d:156a
111.141.21.107 0:0:0:0:0:ffff:6f8d:156b
111.141.21.108 0:0:0:0:0:ffff:6f8d:156c
111.141.21.109 0:0:0:0:0:ffff:6f8d:156d
111.141.21.110 0:0:0:0:0:ffff:6f8d:156e
111.141.21.111 0:0:0:0:0:ffff:6f8d:156f
111.141.21.112 0:0:0:0:0:ffff:6f8d:1570
111.141.21.113 0:0:0:0:0:ffff:6f8d:1571
111.141.21.114 0:0:0:0:0:ffff:6f8d:1572
111.141.21.115 0:0:0:0:0:ffff:6f8d:1573
111.141.21.116 0:0:0:0:0:ffff:6f8d:1574
111.141.21.117 0:0:0:0:0:ffff:6f8d:1575
111.141.21.118 0:0:0:0:0:ffff:6f8d:1576
111.141.21.119 0:0:0:0:0:ffff:6f8d:1577
111.141.21.120 0:0:0:0:0:ffff:6f8d:1578


111.141.21.121 0:0:0:0:0:ffff:6f8d:1579
111.141.21.122 0:0:0:0:0:ffff:6f8d:157a
111.141.21.123 0:0:0:0:0:ffff:6f8d:157b
111.141.21.124 0:0:0:0:0:ffff:6f8d:157c
111.141.21.125 0:0:0:0:0:ffff:6f8d:157d
111.141.21.126 0:0:0:0:0:ffff:6f8d:157e
111.141.21.127 0:0:0:0:0:ffff:6f8d:157f
111.141.21.128 0:0:0:0:0:ffff:6f8d:1580
111.141.21.129 0:0:0:0:0:ffff:6f8d:1581
111.141.21.130 0:0:0:0:0:ffff:6f8d:1582
111.141.21.131 0:0:0:0:0:ffff:6f8d:1583
111.141.21.132 0:0:0:0:0:ffff:6f8d:1584
111.141.21.133 0:0:0:0:0:ffff:6f8d:1585
111.141.21.134 0:0:0:0:0:ffff:6f8d:1586
111.141.21.135 0:0:0:0:0:ffff:6f8d:1587
111.141.21.136 0:0:0:0:0:ffff:6f8d:1588
111.141.21.137 0:0:0:0:0:ffff:6f8d:1589
111.141.21.138 0:0:0:0:0:ffff:6f8d:158a
111.141.21.139 0:0:0:0:0:ffff:6f8d:158b
111.141.21.140 0:0:0:0:0:ffff:6f8d:158c
111.141.21.141 0:0:0:0:0:ffff:6f8d:158d
111.141.21.142 0:0:0:0:0:ffff:6f8d:158e
111.141.21.143 0:0:0:0:0:ffff:6f8d:158f
111.141.21.144 0:0:0:0:0:ffff:6f8d:1590
111.141.21.145 0:0:0:0:0:ffff:6f8d:1591
111.141.21.146 0:0:0:0:0:ffff:6f8d:1592
111.141.21.147 0:0:0:0:0:ffff:6f8d:1593
111.141.21.148 0:0:0:0:0:ffff:6f8d:1594
111.141.21.149 0:0:0:0:0:ffff:6f8d:1595
111.141.21.150 0:0:0:0:0:ffff:6f8d:1596
111.141.21.151 0:0:0:0:0:ffff:6f8d:1597
111.141.21.152 0:0:0:0:0:ffff:6f8d:1598
111.141.21.153 0:0:0:0:0:ffff:6f8d:1599
111.141.21.154 0:0:0:0:0:ffff:6f8d:159a
111.141.21.155 0:0:0:0:0:ffff:6f8d:159b
111.141.21.156 0:0:0:0:0:ffff:6f8d:159c
111.141.21.157 0:0:0:0:0:ffff:6f8d:159d
111.141.21.158 0:0:0:0:0:ffff:6f8d:159e
111.141.21.159 0:0:0:0:0:ffff:6f8d:159f
111.141.21.160 0:0:0:0:0:ffff:6f8d:15a0
111.141.21.161 0:0:0:0:0:ffff:6f8d:15a1
111.141.21.162 0:0:0:0:0:ffff:6f8d:15a2
111.141.21.163 0:0:0:0:0:ffff:6f8d:15a3
111.141.21.164 0:0:0:0:0:ffff:6f8d:15a4
111.141.21.165 0:0:0:0:0:ffff:6f8d:15a5
111.141.21.166 0:0:0:0:0:ffff:6f8d:15a6
111.141.21.167 0:0:0:0:0:ffff:6f8d:15a7
111.141.21.168 0:0:0:0:0:ffff:6f8d:15a8
111.141.21.169 0:0:0:0:0:ffff:6f8d:15a9
111.141.21.170 0:0:0:0:0:ffff:6f8d:15aa
111.141.21.171 0:0:0:0:0:ffff:6f8d:15ab
111.141.21.172 0:0:0:0:0:ffff:6f8d:15ac
111.141.21.173 0:0:0:0:0:ffff:6f8d:15ad
111.141.21.174 0:0:0:0:0:ffff:6f8d:15ae
111.141.21.175 0:0:0:0:0:ffff:6f8d:15af
111.141.21.176 0:0:0:0:0:ffff:6f8d:15b0
111.141.21.177 0:0:0:0:0:ffff:6f8d:15b1
111.141.21.178 0:0:0:0:0:ffff:6f8d:15b2
111.141.21.179 0:0:0:0:0:ffff:6f8d:15b3
111.141.21.180 0:0:0:0:0:ffff:6f8d:15b4


111.141.21.181 0:0:0:0:0:ffff:6f8d:15b5
111.141.21.182 0:0:0:0:0:ffff:6f8d:15b6
111.141.21.183 0:0:0:0:0:ffff:6f8d:15b7
111.141.21.184 0:0:0:0:0:ffff:6f8d:15b8
111.141.21.185 0:0:0:0:0:ffff:6f8d:15b9
111.141.21.186 0:0:0:0:0:ffff:6f8d:15ba
111.141.21.187 0:0:0:0:0:ffff:6f8d:15bb
111.141.21.188 0:0:0:0:0:ffff:6f8d:15bc
111.141.21.189 0:0:0:0:0:ffff:6f8d:15bd
111.141.21.190 0:0:0:0:0:ffff:6f8d:15be
111.141.21.191 0:0:0:0:0:ffff:6f8d:15bf
111.141.21.192 0:0:0:0:0:ffff:6f8d:15c0
111.141.21.193 0:0:0:0:0:ffff:6f8d:15c1
111.141.21.194 0:0:0:0:0:ffff:6f8d:15c2
111.141.21.195 0:0:0:0:0:ffff:6f8d:15c3
111.141.21.196 0:0:0:0:0:ffff:6f8d:15c4
111.141.21.197 0:0:0:0:0:ffff:6f8d:15c5
111.141.21.198 0:0:0:0:0:ffff:6f8d:15c6
111.141.21.199 0:0:0:0:0:ffff:6f8d:15c7
111.141.21.200 0:0:0:0:0:ffff:6f8d:15c8
111.141.21.201 0:0:0:0:0:ffff:6f8d:15c9
111.141.21.202 0:0:0:0:0:ffff:6f8d:15ca
111.141.21.203 0:0:0:0:0:ffff:6f8d:15cb
111.141.21.204 0:0:0:0:0:ffff:6f8d:15cc
111.141.21.205 0:0:0:0:0:ffff:6f8d:15cd
111.141.21.206 0:0:0:0:0:ffff:6f8d:15ce
111.141.21.207 0:0:0:0:0:ffff:6f8d:15cf
111.141.21.208 0:0:0:0:0:ffff:6f8d:15d0
111.141.21.209 0:0:0:0:0:ffff:6f8d:15d1
111.141.21.210 0:0:0:0:0:ffff:6f8d:15d2
111.141.21.211 0:0:0:0:0:ffff:6f8d:15d3
111.141.21.212 0:0:0:0:0:ffff:6f8d:15d4
111.141.21.213 0:0:0:0:0:ffff:6f8d:15d5
111.141.21.214 0:0:0:0:0:ffff:6f8d:15d6
111.141.21.215 0:0:0:0:0:ffff:6f8d:15d7
111.141.21.216 0:0:0:0:0:ffff:6f8d:15d8
111.141.21.217 0:0:0:0:0:ffff:6f8d:15d9
111.141.21.218 0:0:0:0:0:ffff:6f8d:15da
111.141.21.219 0:0:0:0:0:ffff:6f8d:15db
111.141.21.220 0:0:0:0:0:ffff:6f8d:15dc
111.141.21.221 0:0:0:0:0:ffff:6f8d:15dd
111.141.21.222 0:0:0:0:0:ffff:6f8d:15de
111.141.21.223 0:0:0:0:0:ffff:6f8d:15df
111.141.21.224 0:0:0:0:0:ffff:6f8d:15e0
111.141.21.225 0:0:0:0:0:ffff:6f8d:15e1
111.141.21.226 0:0:0:0:0:ffff:6f8d:15e2
111.141.21.227 0:0:0:0:0:ffff:6f8d:15e3
111.141.21.228 0:0:0:0:0:ffff:6f8d:15e4
111.141.21.229 0:0:0:0:0:ffff:6f8d:15e5
111.141.21.230 0:0:0:0:0:ffff:6f8d:15e6
111.141.21.231 0:0:0:0:0:ffff:6f8d:15e7
111.141.21.232 0:0:0:0:0:ffff:6f8d:15e8
111.141.21.233 0:0:0:0:0:ffff:6f8d:15e9
111.141.21.234 0:0:0:0:0:ffff:6f8d:15ea
111.141.21.235 0:0:0:0:0:ffff:6f8d:15eb
111.141.21.236 0:0:0:0:0:ffff:6f8d:15ec
111.141.21.237 0:0:0:0:0:ffff:6f8d:15ed
111.141.21.238 0:0:0:0:0:ffff:6f8d:15ee
111.141.21.239 0:0:0:0:0:ffff:6f8d:15ef
111.141.21.240 0:0:0:0:0:ffff:6f8d:15f0
111.141.21.241 0:0:0:0:0:ffff:6f8d:15f1
111.141.21.242 0:0:0:0:0:ffff:6f8d:15f2
111.141.21.243 0:0:0:0:0:ffff:6f8d:15f3
111.141.21.244 0:0:0:0:0:ffff:6f8d:15f4
111.141.21.245 0:0:0:0:0:ffff:6f8d:15f5
111.141.21.246 0:0:0:0:0:ffff:6f8d:15f6
111.141.21.247 0:0:0:0:0:ffff:6f8d:15f7
111.141.21.248 0:0:0:0:0:ffff:6f8d:15f8
111.141.21.249 0:0:0:0:0:ffff:6f8d:15f9
111.141.21.250 0:0:0:0:0:ffff:6f8d:15fa
111.141.21.251 0:0:0:0:0:ffff:6f8d:15fb
111.141.21.252 0:0:0:0:0:ffff:6f8d:15fc
111.141.21.253 0:0:0:0:0:ffff:6f8d:15fd
111.141.21.254 0:0:0:0:0:ffff:6f8d:15fe
111.141.21.255 0:0:0:0:0:ffff:6f8d:15ff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.